Automated Electrical Design System for PV Installation

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Solution Overview

Problem

The manual and labor-intensive process of designing grid-connected photovoltaic (PV) systems is time-consuming and requires specialized training, making it inefficient and inaccessible to non-experts.

Innovation Solution

A computer-implemented system that receives user input for energy generation systems, uses an electrical data model and decision tree to automate the design process, generating an installation diagram that includes component interconnections and a bill of materials, ensuring compliance with electrical standards like the National Electric Code.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual design process is used by trained individuals, then design accuracy and compliance are ensured, but design time and labor requirements increase significantly

Engineering Contradiction:
Improvedesign complianceVSAvoiddesign time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent introduces an automated design system that acts as an intermediary between design requirements and final electrical design output. This system incorporates decision trees and electrical data models to encode expert knowledge, allowing non-expert users to access professional-grade design capabilities while maintaining compliance with electrical codes and standards.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The manual mechanical process of expert design review and calculation is replaced with an automated computer-based system. The system uses algorithms, decision trees, and electrical data models to automatically perform design calculations, component selection, and code compliance checking, eliminating the need for manual intervention while maintaining design quality.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If specialized training is required for electrical design, then design quality is maintained, but accessibility and ease of operation decrease

Engineering Contradiction:
Improvedesign qualityVSAvoiduser accessibility
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system enables users to perform electrical design tasks independently without requiring specialized training. Through intuitive graphical interfaces and automated guidance, users can complete design tasks that previously required expert knowledge, making the design process accessible to a broader range of practitioners while maintaining quality through built-in validation and compliance checking.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The automated design system consolidates multiple expert functions into a single universal tool that can handle various electrical design scenarios. The system incorporates diverse electrical codes, standards, and design methodologies within unified software, allowing one tool to replace multiple specialized resources that previously required separate expert knowledge.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Manufacturing precision

If comprehensive electrical data models and decision trees are implemented, then design accuracy and compliance are improved, but system complexity increases

Engineering Contradiction:
Improvedesign accuracyVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The complex design system is divided into modular components including decision trees for different design scenarios, electrical data models for component specifications, and graphical interface modules for user interaction. This segmentation allows the system to manage complexity through organized, reusable modules while maintaining high design accuracy through comprehensive coverage of electrical code requirements.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9053275B2Techniques for facilitating electrical design of an energy generation system
Publication Date: 2015.06.09 SOLARCITY CORPORATION
  • US9053275B2 patent drawing
  • US9053275B2 patent drawing
  • US9053275B2 patent drawing

AI summary

Systems and methods for facilitating the electrical design of an energy generation system. In one embodiment, a method is provided that can comprise receiving, by a computer system from a user, first information pertaining to an energy generation system to be installed at a customer site. The method can further comprise determining an electrical design for installing the energy generation system at the customer site, where the determining is based on the first information, second information retrieved from one or more external data sources, an electrical data model, and a decision tree that models the electrical design process. An installation diagram can then be generated that illustrates the determined electrical design.